Engineering Diagram Examples from Real Specifications

Create a complete electronic circuit schematic for a project titled **Digital Temperature Monitoring System Using Logic Gates**. Draw an actual electrical schematic using standard electronic symbols, not a block diagram. Components: 1. LM35 temperature sensor 2. LM393 dual comparator IC 3. 74HC04 NOT gate IC 4. 74HC08 AND gate IC 5. 74HC32 OR gate IC 6. Two 10kΩ potentiometers 7. Two 10kΩ pull-up resistors 8. Four LEDs (green, yellow, red, orange) 9. Four 1kΩ LED resistors 10. 100nF decoupling capacitors 11. Regulated 5V DC power supply Circuit operation: - LM35 senses temperature and produces an analog voltage of 10mV/°C. - LM393 compares this voltage against 0.350V (35°C) and 0.400V (40°C). - The comparator outputs are H35 and H40. - 74HC04 generates NOT H35 and NOT H40. - 74HC08 implements AND logic for the yellow and red LEDs. - 74HC32 implements OR logic for the warning LED. Boolean expressions: Green LED = NOT H35 Yellow LED = H35 AND NOT H40 Red LED = H40 AND H40 Warning LED = H35 OR H40 Expected operation: - Below 35°C: Green LED ON. - 35°C to 39°C: Yellow and warning LEDs ON. - 40°C and above: Red and warning LEDs ON. Use the correct DIP-8 and DIP-14 IC pin numbers. Show all connections between IC pins, resistors, potentiometers, capacitors, LEDs, +5V and GND. Generate a complete, electrically connected circuit schematic that can be implemented on a breadboard. Do not generate a block diagram.

240гA0 cal devices? REVERSING-JOG CONTACTOR CIRCUIT Objective To design, connect and test a DOL magnetic contactor circuit which provides forward, reverse and jogging operation of a 415 volt, three phase SCi motor and incorporates limit switches. Equipment Two three phase magnetic contactors. One thermal overload relay. One emergency stop One push-button station which includes reversing and jogging buttons. One three phase 415 volt SCI motor - 2kW or similar. Multimeter. Three phase lead and 4mm shielded banana plug connecting leads. 415 volt, 2 kW three phase squirrel cage induction motor is to be used to operate a lifting hoist motor. The motor direction is to be controlled by magnetic contactors - one labelled UP and the other labelled DOWN. The contactors and other control equipment are located in a metallic enclosure which has a push-button controller to allow the following functions: UP, JOG UP, STOP, JOG DOWN and DOWN. The maximum travel up or down is to be limited by limit switches (simulated by stop buttons). When the UP button is pressed, the hoist lifts the load up until the STOP button is pressed or the UP limit is reached. When the JOG UP button is pressed, the hoist lifts the load until the operator releases the button or the UP limit is reached. The DOWN buttons provide the same functions, but the hoist lowers the load.

Design a detailed electronics hardware wiring diagram for DravyaSens AI – E-Tongue for Ayurvedic Dravya Identification. Use these exact components: - ESP32 DevKit V1 - Two ADS1115 16-bit ADC modules (I²C addresses 0x48 and 0x49) - Seven electrodes: Zinc, Silver, Carbon, Copper, Aluminium, Stainless Steel and Ag/AgCl reference - pH sensor with CA3140 signal buffer - TDS sensor - DS18B20 temperature sensor - RC filters using 10kΩ resistors and 100nF capacitors - Battery voltage monitoring circuit Required connections: - ESP32 GPIO21 → SDA of both ADS1115 modules - ESP32 GPIO22 → SCL of both ADS1115 modules - ADS1115 #1: A0 pH, A1 Zinc, A2 Silver, A3 Carbon - ADS1115 #2: A0 Copper, A1 Aluminium, A2 Stainless Steel - ESP32 GPIO34 → TDS sensor output - ESP32 GPIO4 → DS18B20 data - ESP32 GPIO35 → battery voltage divider output Show: 1. Every component with clear labels. 2. Individual wire connections and pin numbers. 3. Separate power, ground,

This uses an arduino uno r3 and two HC-SR04 sensors: one controls pitch and one controls volume. The X9C103 attenuates the Arduino’s tone signal before it reaches the PAM8302; the PAM8302 drives the passive piezo. Connections Pitch HC-SR04: TRIG → D2, ECHO → D3 Volume HC-SR04: TRIG → D4, ECHO → D5 Arduino D9 (tone signal) X9C103 RH X9C103 RL → GND; RW → PAM8302 audio input X9C103 CS → D6, INC → D7, U/D → D8; VCC → 5V, VSS → GND PAM8302 power and input ground common GND Passive piezo PAM8302 OUT+ and OUT− Use the PAM8302 breakout’s audio input. If it has no input coupling capacitor, add a 1 µF capacitor in series between RW and the amplifier input. Do not connect either PAM8302 speaker output to GND; its outputs are bridge-tied. Check your breakout’s supply-voltage rating.

This uses two HC-SR04 sensors: one controls pitch and one controls volume. The X9C103 attenuates the Arduino’s tone signal before it reaches the PAM8302; the PAM8302 drives the passive piezo. Connections Pitch HC-SR04: TRIG → D2, ECHO → D3 Volume HC-SR04: TRIG → D4, ECHO → D5 Arduino D9 (tone signal) X9C103 RH X9C103 RL → GND; RW → PAM8302 audio input X9C103 CS → D6, INC → D7, U/D → D8; VCC → 5V, VSS → GND PAM8302 power and input ground common GND Passive piezo PAM8302 OUT+ and OUT− Use the PAM8302 breakout’s audio input. If it has no input coupling capacitor, add a 1 µF capacitor in series between RW and the amplifier input. Do not connect either PAM8302 speaker output to GND; its outputs are bridge-tied. Check your breakout’s supply-voltage rating.

a logic circuit that implement function f=x'y' + yz+xy'z'

a logic circuit that implement f(x,y,z) with minterms 1,2,4,7 using ic 74ls151

An ESP32 DevKit circuit powered from a 5 V adapter on VIN and GND, with the 3V3 pin supplying the 3.3 V parts. Connect a 0.96 inch I2C OLED display (VCC to 3V3, GND to GND, SDA to GPIO21, SCL to GPIO22) and an MPU6050 on the same I2C bus (VCC to 3V3, GND and AD0 to GND, SDA to GPIO21, SCL to GPIO22). Add a DS18B20 temperature sensor (VCC to 3V3, GND to GND, DATA to GPIO4) with a 4.7k pull-up resistor between DATA and 3V3. Add a buzzer on GPIO25, a green LED on GPIO26 and a red LED on GPIO27, each with a 220 ohm series resistor to GND. Add a ZMPT101B voltage sensor module (VCC to 5V, GND to GND, OUT to GPIO35) and an ACS712 5A current sensor module (VCC to 5V, GND to GND, OUT to GPIO34). Each analog OUT goes through a 10k/20k resistor divider (10k in series from OUT, 20k to GND at the GPIO node) with a 100nF capacitor from the GPIO pin to GND. Add a 220 V AC source feeding a 0.5 A fuse and then the primary of a 220 V to 12 V mini transformer. Connect the ZMPT101B AC input across the transformer secondary. Wire one secondary terminal through the ACS712 IP+ and IP- terminals in series, then to a 12 V AC bulb, and return the other secondary terminal directly to the bulb. Label all GPIO pins and add test points on the two analog sensor outputs.

Create a technically accurate circuit wiring diagram for an Arduino UNO based Solar Food Dryer prototype. Components: - Arduino UNO R3 - DHT22 temperature and humidity sensor - 1-channel 5V relay module - DC blower fan - DC battery/power supply - Breadboard - Jumper wires Connections: - DHT22 VCC → Arduino 5V - DHT22 GND → Arduino GND - DHT22 DATA → Arduino digital pin D2 - Relay VCC → Arduino 5V - Relay GND → Arduino GND - Relay IN → Arduino digital pin D8 - Use the relay to switch the DC blower fan. - Show the separate power connection for the blower fan through the relay. - Clearly show positive (+) and negative (−) power lines. - Clearly label every component, pin, wire, and connection. - Use standard electronic schematic symbols. - Make the diagram clean, realistic, and suitable for a first-year engineering college project. - Do not add any components that are not listed. - Do not include a servo motor, gas sensor, heater, LCD, or Wi-Fi module.

Arduino UNO DHT22 DC blower fan Relay module Power supply/battery Breadboard Jumper wires

Diseña un **plano eléctrico industrial profesional con simbología IEC** para un tablero auxiliar de alimentación y control de un triturador NETZSCH N.Mac 120C. **Potencia:** alimentación 380 V trifásicos, motor 4 CV, interruptor general, protecciones y salida al tablero original NETZSCH. **Control:** fuente 220 VCA/24 VCC (alimentación de 220 V por confirmar), radar de nivel 4–20 mA, display digital, relés auxiliares y pulsador de rearme. **Señalización:** pilotos de alimentación, funcionamiento y falla por nivel alto. **Funcionamiento:** arranque a 10 cm, parada por debajo de 10 cm y bloqueo a 60 cm, con corte de alimentación al motor y rearme manual. El tablero original NETZSCH ya contiene los contactores de inversión y el PLC. **Dibujar únicamente los circuitos eléctricos de potencia, control y señalización**, incluyendo contactos NA/NC, bobinas, protecciones, borneras y numeración de cables. No incluir programación, diagramas de PLC ni diagramas de bloques. Formato A3 horizontal, PDF y archivo CAD editable. Identificar las conexiones pendientes de verificar.

Create a highly accurate, professional digital logic circuit schematic on a pure white background. **Title:** Implementation of a 16-to-1 Multiplexer using two 8-to-1 Multiplexers and one 2-to-1 Multiplexer. **Architecture:** 1. Two 8-to-1 multiplexers: - MUX A handles data inputs I0 to I7. - MUX B handles data inputs I8 to I15. - Both multiplexers share three selection signals: - b → S2 - c → S1 - d → S0 2. Data input connections: - MUX A: I0 = 1 (VCC), all other inputs I1–I7 = 0 (GND). - MUX B: local input I0 = 1 (global I8), local input I4 = 1 (global I12), all other inputs = 0 (GND). 3. Final selection stage: - Connect output YA of MUX A to input I0 of a 2-to-1 MUX. - Connect output YB of MUX B to input I1 of the 2-to-1 MUX. - Connect variable a to the select input S of the 2-to-1 MUX. - Final output is F. **Mathematical expression:** F = NOT(a) × YA + a × YB **Visual requirements:** - Clearly show all three multiplexers. - Use correct standard MUX symbols. - Draw all connections without crossing wires unnecessarily. - Label every data input, selection input and output. - Use different colors for a, b, c and d. - Show VCC (logic 1) and GND (logic 0). - Use clean orthogonal wiring, professional university-level engineering notation. - Make the diagram landscape, high resolution, readable and suitable for an engineering examination report. - Do not add incorrect gates, extra inputs or extra multiplexers. - Ensure all connections are electrically and logically correct.

röle çıkışlı plc dijital giriş çıkış bağlantıları (cadesımu v4 program tabaı ustunde)

From line to transformer, line to CR 1 to compressor then parallel with another compressor, and back to neutral

480-volt step down to 120-volt system full lighting systems of cans at each 120 volt and 20 of them with switches and outlets up to 20 of each split 6 braker double pole 20s and d rate panel box

480-volt step down to 120-volt system full lighting systems of cans at each 120 volt and 20 of them with switches and outlets up to 20 of each

Create a clear and professional electrical principle diagram (schéma de principe) for a bathroom electrical installation, following these requirements: 1. One bipolar switch S1 controls two lamps, L1 and L2, simultaneously. 2. The two lamps must be connected in parallel. 3. One socket outlet P1 is powered directly, without passing through the switch. 4. Circuit breaker D1 protects the lighting circuit. 5. Circuit breaker D2 protects the socket circuit. 6. One RCD (residual current device / differential switch) protects the entire installation and is installed upstream of both circuit breakers. Drawing requirements: * Use only standard electrical symbols, as in an electrician’s school exercise. * Draw a real electrical principle diagram, not a realistic illustration. * Use these wire colors: phase = red, neutral = blue, protective earth = green/yellow. * Show every conductor and connection clearly. * Label all components: RCD, D1, D2, S1, L1, L2 and P1. * Make the diagram simple, clean, readable, and avoid unnecessary wire crossings. * Follow Belgian electrical installation standards (RGIE). Do not create a wiring diagram or a layout diagram. I only want the electrical principle diagram.

480 volt step down to 120 volt system full lighting systems of cans at each 120 volt and 20 of them with switches and outlets up to 20 of each

480 volt step down to 120 volt systm

Draw a complete 9V automatic soil moisture watering circuit using LM358, BC547, 100kΩ potentiometer, resistors, 9V relay, 1N4007 diode, 1 LEDs, buzzer, two soil probes and a 9V water pump. Show all component symbols, pin numbers, values and exact wire connections. The pump should turn ON when soil is dry and OFF when soil is wet. Make the schematic neat and easy to understand.

Draw a complete 9V automatic soil moisture watering circuit using LM358, BC547, 100kΩ potentiometer, resistors, 9V relay, 1N4007 diode, LEDs, buzzer, two soil probes and a 9V water pump. Show all component symbols, pin numbers, values and exact wire connections. The pump should turn ON when soil is dry and OFF when soil is wet. Make the schematic neat and easy to understand.

Draw a complete 9V automatic soil moisture watering circuit using LM358, BC547, 100kΩ potentiometer, resistors, 9V relay, 1N4007 diode, 3 LEDs, buzzer, two soil probes and a 9V water pump. Show all component symbols, pin numbers, values and exact wire connections. The pump should turn ON when soil is dry and OFF when soil is wet. Make the schematic neat and easy to understand.

hazme un esquema funcional multifilar para accionar dos laparas de 60w si se funde una la oitra no funciona desde dos interruptores q cuplan la tabla d ela verdsd

I want to build a MOBILE-CONTROLLED FLOOR SWEEPING ROBOT using ESP32-CAM without its camera module. Please design the complete project from scratch. I need the ACTUAL WIRING DIAGRAM with visible connections, not just code or a component layout. IMPORTANT: First create the circuit diagram, then generate the code. ## 1. COMPONENTS Use exactly these components: 1. One ESP32-CAM board without camera. 2. One L298N dual H-bridge motor driver. 3. Four TT shaft DC gear motors. 4. Two 18650 lithium-ion battery cells. 5. One ON/OFF switch. 6. Connecting wires. 7. A mobile phone for Wi-Fi control. Do not add a second motor driver. Do not add a vacuum cleaner motor. Do not add a camera. Do not add a boost converter or buck converter. ## 2. MOTOR CONNECTIONS — ONE L298N ONLY I have four TT DC gear motors. CHANNEL A — WHEELS: - Connect the left wheel motor across L298N OUT1 and OUT2. - Connect the right wheel motor in parallel across OUT1 and OUT2. - Both wheel motors must run together. CHANNEL B — ROTATING BRUSHES: - Connect the left brush motor across L298N OUT3 and OUT4. - Connect the right brush motor in parallel across OUT3 and OUT4. - Both brush motors must run together. Show all four motors individually in the wiring diagram, including every wire and parallel junction. Do not leave any motor disconnected. IMPORTANT: Check whether the combined current of each pair is safe for the L298N. If the motor current is unknown, clearly mark this as requiring verification. ## 3. ESP32-CAM CONTROL CONNECTIONS Use these proposed GPIO connections only if compatible with the selected ESP32-CAM board: - GPIO13 → L298N IN1 - GPIO14 → L298N IN2 - GPIO15 → L298N IN3 - GPIO16 → L298N IN4 - ESP32-CAM GND → L298N GND Verify GPIO availability and boot requirements for the exact ESP32-CAM variant. Keep EN